Desert perennials lose their leaves after the rainy season just as trees in wetter climates lose theirs in wetter climates because winter arrives, but the reasons for this features are different.

试卷相关题目

• 1The theme of the second last paragraph is why the perennials can survive as plants for several years.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2The shoot system of perennials can help the plants absorb less of the sun's ray.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Winter is the toughest season for the grasses and flowers to survive.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4Grasses and flowers in the desert whose life cycles are short shows their ability to adapt to the quick disappearance of rainwater there after it falls in spring.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5Grasses and flowers in desert are unable to survive because they stay in the form of seeds to wait for the right amount of water to come.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6The main readers of medical journals are

  A.the general public.

  B.healthprofessionals.

  C.B.healthprofessionals.C.medical critics.

  D.news reporters.

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• 7Which of the following statements is NOT true、

  A.Many medical journals also publish online.

  B.A few medical journals are general medical journals.

  C.Most medical journals publish only online.

  D.Most medical journals are specialty journals.

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• 8How many major types of articles are mentioned in the passage、

  A.Five.

  B.Seven.

  C.Four.

  D.Six.

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• 9An article dealing with results from different studies on the same topic is called

  A.a research article.

  B.a review article.

  C.a case report.

  D.an editorial.

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• 10Letters to the editor enable readers of a medical journal to express comments on

  A.any medical event.

  B.articles published in the same issue.

  C.articles published in that journal

  D.medical development.

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